li {
  margin: 0;
  padding: 0;
  list-style-type: none;
}
a {
  color: #000;
  text-decoration: none;
}
*,
body {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  line-height: 1.5;
  font-size: 14px;
  font-family: "思源宋体";
}
body {
  color: #333;
  margin: 0 auto;
  background-color: #f4f4f4;
}
.widthCss {
  width: 80vw;
  margin: 0 auto;
}
